import pygame
pygame.init()

screen = pygame.display.set_mode((480,700))
# 1> 加载图像
bg = pygame.image.load("./images/background.png")
# 2> 绘制在屏幕
screen.blit(bg,(0,0))


hero = pygame.image.load("./images/me1.png")
#screen.blit(hero,(200,500))

# 3> 更新显示
pygame.display.update()

clock = pygame.time.Clock()

hero_rect = pygame.Rect(150,300,102,126)
while True:
    clock.tick(60)

    hero_rect.y -=1
    if hero_rect.y <=-150:
        hero_rect.y = 700
    screen.blit(bg,(0,0))
    screen.blit(hero,hero_rect)
    pygame.display.update()
pygame.quit()